Home / 13,536.45-20,299.47-4,650.12

Finding the Fourth Proportional to 13,536.45, 20,299.47 and 4,650.12

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Solution

The fourth proportional to 13,536.45, 20,299.47 and 4,650.12 is: 6,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.45 : 20,299.47 = 4,650.12 : x
  2. Step 2: Convert to fraction form
    13,536.45/20,299.47 = 4,650.12/x
  3. Step 3: Cross multiply
    13,536.45x = 20,299.47 × 4,650.12
  4. Step 4: Simplify right side
    13,536.45x = 94,394,971.44
  5. Step 5: Solve for x
    x = 94,394,971.44/13,536.45
  6. Step 6: Final answer
    x = 6,973.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.